I studied the poll results, read all the comments, looked at my mad money balance, and put it off for a month.
I finally ordered the knee high boots in black leather from
www.ineedshoes.com, I don't remember where I heard of them (probably here), but they had about the best prices I've seen. (and it turns out good service, too)
Once I ordered them, they told me they were out of stock in size 11 and they sent the order to the manufacturer for shipment when they arrived. Well, they arrived today, well ahead of schedule, and THEY ARE REALLY NICE!
They fit like a glove, the leather is strong (I was afraid of something stretchy), and well, I'm glad I got them.
There are extra people in the house for a couple days, but as soon as things get back to normal (and I can walk well enough to trip the camera self-timer then get in the picture), I'll post some pictures here.
Thanks for all your input. I think I made the right choice.